IPC - Refactor Bcat service to use new ipc - Revisit (#4803)

* bcat ipc

* fix hipc buffer flags

* add buffer fixed size flag on generator

src/Ryujinx.Horizon/Sdk/Bcat/IBcatService.cs

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+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Bcat
+{
+    internal interface IBcatService : IServiceObject
+    {
+        Result RequestSyncDeliveryCache(out IDeliveryCacheProgressService deliveryCacheProgressService);
+    }
+}

src/Ryujinx.Horizon/Sdk/Bcat/IDeliveryCacheDirectoryService.cs

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+using LibHac.Bcat;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+using System;
+
+namespace Ryujinx.Horizon.Sdk.Bcat
+{
+    internal interface IDeliveryCacheDirectoryService : IServiceObject
+    {
+        Result GetCount(out int count);
+        Result Open(DirectoryName directoryName);
+        Result Read(out int entriesRead, Span<DeliveryCacheDirectoryEntry> entriesBuffer);
+    }
+}

src/Ryujinx.Horizon/Sdk/Bcat/IDeliveryCacheFileService.cs

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+using LibHac.Bcat;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+using System;
+
+namespace Ryujinx.Horizon.Sdk.Bcat
+{
+    internal interface IDeliveryCacheFileService : IServiceObject
+    {
+        Result GetDigest(out Digest digest);
+        Result GetSize(out long size);
+        Result Open(DirectoryName directoryName, FileName fileName);
+        Result Read(long offset, out long bytesRead, Span<byte> data);
+    }
+}

src/Ryujinx.Horizon/Sdk/Bcat/IDeliveryCacheProgressService.cs

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+using Ryujinx.Horizon.Bcat.Ipc.Types;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Bcat
+{
+    internal interface IDeliveryCacheProgressService : IServiceObject
+    {
+        Result GetEvent(out int handle);
+        Result GetImpl(out DeliveryCacheProgressImpl deliveryCacheProgressImpl);
+    }
+}

src/Ryujinx.Horizon/Sdk/Bcat/IDeliveryCacheStorageService.cs

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+using LibHac.Bcat;
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+using System;
+
+namespace Ryujinx.Horizon.Sdk.Bcat
+{
+    internal interface IDeliveryCacheStorageService : IServiceObject
+    {
+        Result CreateDirectoryService(out IDeliveryCacheDirectoryService service);
+        Result CreateFileService(out IDeliveryCacheFileService service);
+        Result EnumerateDeliveryCacheDirectory(out int count, Span<DirectoryName> directoryNames);
+    }
+}

src/Ryujinx.Horizon/Sdk/Bcat/IServiceCreator.cs

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+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Sf;
+
+namespace Ryujinx.Horizon.Sdk.Bcat
+{
+    internal interface IServiceCreator : IServiceObject
+    {
+        Result CreateBcatService(out IBcatService service, ulong pid);
+        Result CreateDeliveryCacheStorageService(out IDeliveryCacheStorageService service, ulong pid);
+        Result CreateDeliveryCacheStorageServiceWithApplicationId(out IDeliveryCacheStorageService service, Ncm.ApplicationId applicationId);
+    }
+}